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Question

During adverse environmental condition plants develop a stress hormone, which is

A
Abscisic acid
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B
Ethylene
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C
Benzyl amino purine
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D
Dichlorophenoxyacetic acid
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Solution

The correct option is A Abscisic acid
Abscisic acid is known as the stress hormone. The production of this hormone takes place in the plant under adverse environmental conditions. There is modulation of the gene expression which modifies the proteins which are produced. The important proteins and nutrients are stored in the plants. The hormone is produced during salt stress, high temperature, drought, etc. The stomata closes and there is storage of the essential proteins.
Thus, the correct answer is option A.

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